3622694400 has 720 divisors, whose sum is σ = 14544850320. Its totient is φ = 855244800.

The previous prime is 3622694393. The next prime is 3622694417. The reversal of 3622694400 is 44962263.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 61401571 + ... + 61401629.

It is an arithmetic number, because the mean of its divisors is an integer number (20201181).

Almost surely, 2^3622694400 is an apocalyptic number.

3622694400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3622694400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7272425160).

3622694400 is an abundant number, since it is smaller than the sum of its proper divisors (10922155920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3622694400 is a wasteful number, since it uses less digits than its factorization.

3622694400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 3622694400 is about 60188.8228826582. The cubic root of 3622694400 is about 1535.8326640623.

The spelling of 3622694400 in words is "three billion, six hundred twenty-two million, six hundred ninety-four thousand, four hundred".